Tel Aviv University researchers have used a light-measuring method, based on Einstein’s theory of relativity to locate a new planet 2,000 light years away from Earth. TAU Professor Tsevi Mazeh said that Kepler-76b was the first planet discovered using the Doppler relativistic beaming effect.
http://nocamels.com/2013/05/tel-aviv-university-discovers-new-planet-using-einsteins-theory-of-relativity/
http://www.jpost.com/LandedPages/PrintArticle.aspx?id=313028